What if you would pull Nile to a straight line?

Nile from tributaries Nyabarong, Kagera (Rwanda) to the Mediterrian Sea via Damietta branch (Egypt)
total track length: 6869km (1px matches approx 20m)

slitscanning over satellite imaginary along a (spline-interpolated) GPS track file
aerial image source: LANDSAT7 Global Mosaic, Courtesy: NASA/JPL-Caltech (public domain)
original track source © OpenStreetMap contributors (CC-BY-SA)

Michael Aschauer, 2010

Michael Aschauer, 2010